Under what system is the ultimate authority assigned to the national government, while the subnational governments can only exercise the powers the central government chooses to delegate to them? 

If it is not feasible to use a blind technique throughout the whole experiment, the alternative is the

a. double-blind technique. b. partial revelation technique. c. selective information technique. d. partial blind technique.

The student-operated interest group to raise awareness for climate change is the __________

a. Energy Super Fund b. Energy Action Coalition c. Combat Climate Initiative d. Students Against Climate Change